[17797] warn: config: configuration file "/usr/share/spamassassin/20_dynrdns.cf" requires version 3.002003 of SpamAssassin, but this is code version 3.001009. Maybe you need to use the -C switch, or remove the old config files? Skipping this file at /usr/lib/perl5/vendor_perl/5.8.8/Mail/SpamAssassin/Conf/Parser.pm line 345.